Home / 15,013,438,020.27-20,717,175,060.95-8,908,738,602.49

Finding the Fourth Proportional to 15,013,438,020.27, 20,717,175,060.95 and 8,908,738,602.49

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Solution

The fourth proportional to 15,013,438,020.27, 20,717,175,060.95 and 8,908,738,602.49 is: 12,293,246,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013,438,020.27 : 20,717,175,060.95 = 8,908,738,602.49 : x
  2. Step 2: Convert to fraction form
    15,013,438,020.27/20,717,175,060.95 = 8,908,738,602.49/x
  3. Step 3: Cross multiply
    15,013,438,020.27x = 20,717,175,060.95 × 8,908,738,602.49
  4. Step 4: Simplify right side
    15,013,438,020.27x = 184,563,897,200,010,788,864
  5. Step 5: Solve for x
    x = 184,563,897,200,010,788,864/15,013,438,020.27
  6. Step 6: Final answer
    x = 12,293,246,686.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.